3 1/2" Round Flat Borosilicate Glass 1/4" thick
Borosilicate glass is a very clear glass. It does not have a green tint like soda lime glass. Borosilicate glass is heat resistant. It can be used very close to a light bulb without breaking. The heat generated by 3D Printer will not crack this glass. Laboratories can use borosilicate glass for many different lab tests involving heat.
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